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Flow-based Service Discipline for TCP Streaming in Advanced IP Router
Naotoshi Yoshihara,Hideki Tode,Koso Murakami 한국멀티미디어학회 2009 한국멀티미디어학회 국제학술대회 Vol.2009 No.-
Video-sharing applications using TCP (called "TCP streaming") like YouTube have been increased recently. However, it is difficult for the existing IP network to guarantee QoS of TCP streaming. So far, to achieve the QoS enhancement per flow, we have proposed the class-based output buffer control mechanism in QoS-aware router. In this paper, to guarantee more sophisticated QoS for TCP streaming, we propose the mechanism which calculates transmission bandwidth and buffer volume preferentially available (called "basic volume") according to active flows' condition estimated by measuring transmitted packets per flow. Furthermore, by computer simulation, the effectiveness of our proposal is verified.